From the Knit Rowan website:
Knit this ladies’ cable waistcoat from Elegant Knits. Designed by Martin Storey using the wonderful soft blend Wool Cotton 4ply (wool and cotton), this knitting pattern is generously sized to fit up to 46 inch bust.

Finished chest circumference dimensions:
102: 112: 122 cm
40: 44½: 48½ inches

Yarn Information:
Photographed in Antique 480
8, 9, 10, 11 skeins
1576, 1773, 1970, 2167 yards

Extras:
QTY (6) buttons